Doctor profile · Federal record

Dr. Samuel Merrill, MD, PHD

Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology (Internal Medicine) Physician · Morgantown, WV

  • NPI 1144529769
  • Accepts Medicare
  • MIPS 89.2 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
64 Medical Center Drive
Morgantown, WV 26506
(304) 598-6984
fax (304) 598-4560
Additional location
1650 Orleans St, Crb1 186
Baltimore, MD 212870013
(410) 614-4459
fax (410) 955-0125

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
April 8, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State licenses (3)
West Virginia #29029 · Vermont #0420012849 · Maryland #D0097056

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144529769. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
204
Distinct HCPCS
5
Medicare allowed
$23,278
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 105 74 $92
99215 Established patient office or other outpatient visit, 40-54 minutes 38 29 $134
99205 New patient office or other outpatient visit, 60-74 minutes 34 34 $177
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 12 11 $60

In context: peer comparison

Among 1 peers in this city , average services per provider: 40. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
0
Total drug cost
$138,124
Drug Type Claims Patients Total cost
Hydroxyurea Generic 24 0 $718
Jakafi (Ruxolitinib Phosphate) Brand 12 0 $137,407

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Samuel Merrill's medical specialty?
Dr. Samuel Merrill practices Hematology (Internal Medicine) Physician in Morgantown, WV.
Where does Dr. Samuel Merrill practice?
Dr. Samuel Merrill practices at 64 Medical Center Drive, Morgantown, WV 26506. Office phone: 3045986984.
What is Dr. Samuel Merrill's NPI?
Dr. Samuel Merrill's National Provider Identifier (NPI) is 1144529769, issued by NPPES.
Does Dr. Samuel Merrill accept Medicare assignment?
Yes. Dr. Samuel Merrill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Merrill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.